Churn



(No Model.

R. C. BOEKLER.

"2 Sheets-Sheet I'.

YGHURN. I

Patented June 14, 1887.,

INVENTOR: 2&3 BY Jam WITNESSES II/k f) ATTORNEYS.

n E s Pum-Lnm n her, Washington. D. c.

m Em 0 0 R Patented June 14, 1887.

- if HBZENTGB:

ATTORNEYS;

N PETERS. PhoIo-Lflhogmphof, Washington, D. c,

UNITED STATES ROBERT CONRAD BOEKLER,

PATENT ries.

OF MANKATO, MINNESOTA.

CHURN.

SPECIFICATION forming part of Letters Patent No. 364,793, dated June 14,1887.

Application filed January 11, 188']. Serial No. 224,067.

To all whom it may concern:

Be it known that I, ROBERT CONRAD Bonn- LER, of Mankato, in the countyof Blue Earth and State of Minnesota, have invented a new and ImprovedChurn, of which the following is a full, clear, and exact description.

My invention relates to churning apparatus, and has for its object toprovide a simple, inexpensive, and effective apparatus of thischaracter, assuring practically perfect ventilation of the churn-body,and allowing close regulation of the temperature of the air-supply tothe body, thus insuring proper action of the churn at all-seasons forproducing butter of the first quality with economy of time and labor.

The invention consists in certain novel features of construction andcombinations of parts of the churning apparatus, all as hereinafterfully described and claimed.

Reference is to be had to the accompanying drawings, forming apart ofthis specification, in which similar letters of reference indicatecorresponding parts inall the figures.

Figure l is a side elevation of my improved churn and a verticalsectional elevation of the temperatnre-regulating apparatus connectedtherewith. Fig. 2 is a vertical sectionalelevation of a modified form oftemperature-regulator. Fig. 3 is a vertical sectional elevation of thechurn proper, taken at right angles to the same parts in Fig. 1,andpartly broken "away. Fig. 4 is a plan view of .the temperatare-regulatorshown in Fig. 1, and Fig. 5 isa top view of thechurn-body.

The churn-body A is preferably oval in cross-section,and is j ournaledto a main standhaving abearing in the standard 0, and the ard, B, and anopposite short standard, 0. The standard B is fixed to a suitable baseor platform, D, and the one 0 is hinged to the base at c, to allow thechurn-body to be removed from its supports at any time for conveniencein transportation or for other purpose. The journals of the churn-bodyconsist of a shouldered shaft or gudgeon, E, fixed to a plate, 6,secured to the side of the body,and

opposite journal F is a pipe or tube, which is fixed in the standard13,-and onwhich the churn-body revolves, a metal plate, f, fixed to Ijournal F passes through it.

through the couplings H J runs a pipe, L,

(No model.)

the body, giving a good bearing on the journal, and to this plate fthere is fixed a collar, f, which with a gland, f forms a stuffing-box,which may be suitably packed toprevent escape of liquid from thechurn-body where the A crank, G, fitted to the shaft E, may be operatedto rotate the churn-body to agitate its contents.

To the inner end of the tube F there is secured a hollow head orcoupling, H, to which is screwed a short vertically-ranging pipe, I,fitted with a cap,z',preferably having the conical crimped form shownand adapted to prevent passage of drip liquid into the tubeF as thechurn-body is rotated, but allowing free passage of gases and animalheat from the interior of the churn-body through the tube F.

A coupling, J, is secured to the outer endof tube F,and a pipe, K, isscrewed to the coupling J and is preferably bent over at its top,whereat is"fitted a rose-head, k, to prevent passage of flies or otherinsects to the inside of the churn.

Through the center of the tube F and which has no open communicationwith the tube F, but is open at its inner end, Z, to the interior of thechurn-body, and at its outer end is coupled by a short tube, Z, to ashort pipe or tube,l which is preferably made of rubber, and isconnected to the valved outlet or discharge-passage m of an air-pump, M,which is secured to the standard 13, and is fitted with an ordinarypacked piston, m, which is connected by a rod, m with a crank-arm, n, ona shaft, N, journaled at the head of the standard 13. This shaft Ncarries a grooved pulley,.n', over which a belt, n'flpasses to a groovedpulley, n fixed to the stuffing-box or the churn-body, and whereby asthe'body is turned by the crank G the pump" will be operated. V

The suction or inlet passage or pipe at? of the pump M is fittedwith aninwardly-opening valve, m, and to a pipe, m connected to the pipemflthere is attached one end of a pipe, 0, preferably a flexible pipe,which extends to. the upper or outer end, 12, of a pipe-coil, P, fit tedin a tub, R, standing at the most convenient place where the purest airmay be drawn rco through its other end, which is preferably fitted witha rose nozzle or strainer, p, to pre vent passage of' insects or dust orother impurities with the air to the coil and thence to the pipe 0,through which the air is drawn by the pump M, whence the air isdischarged through the pipes Z Z L to the interior of the churn-body A.

In operating the eh urn it is obvious that while the gases and animalheat escape freely from the liquid in the churn-body through the pipesL, F, and K, a plentiful supply of fresh air will be discharged to theinterior of the churn by the pump and pipe connections above described,to thoroughly aerate theliquid contents of the churn, and therebypromote the quick production of butter of the first quality. By placingice in the tub R, around the pipecoil P, the temperature of the airpassing to the churn-body may be lowered in warm weather, or bysupplyinghot water to the tubRaround the coil in cold weather the temperature ofthe air will be raised; hence it is possible to regulate the temperatureof the air very closely, to assure proper working of the churn at allseasons of the year.

If desired, the pipe'coil P may be placed within a metal vessel, S, acouple of inches smaller every way than the tub R, and having aperipheral flange, s, resting on top of the tub to support it above. thebottom thereof, as in Fig. 2 of the drawings. The flange 8 may have aseries of perforations, a, through it around the air-spaee between thevessel S and the tub It to admit air, although sufficient airsupply maybe had between the flange and the top of the tub. \Vith this arrangementthe air-inlet end of the pipe-coil I? may be extended down through thevessel S into the space between it and the bot-tom of the tub R, whereit will be fitted with a flatter nozzle or strainer, 12, and whereby theair to be taken from the space between the vessel and the tub willalready bc considerably reduced in temperature.

The connection at 0 of the flexible pipe 0 with the pipe-coil P mayeasily be broken to allow the pipe to, be hung from a window or otherplace to take air-supply without using the pipe-coil, and the nozzle orstrainer 12 will fit the end of the pipe Q, thus barring insectstherefrom. The pipe Z may also be easily (1 isconnected from: the tubeZ, to allow water to be poured into said tube and thence through thepipe L into the churn-body when desired, and without removing the coverof the churnbody, which is peculiarly made, as next described. Thiscover T is fitted with a glass, f, allowinginspection ofthe contentsofthe churnbody, and also has a handle, 1 to lift and adjust it by. Thecover is elliptical marginally to conform to the shape of the churn-bodyA, and is a trifle smaller than the opening at the top of the body, toallow a packing, t, fitted to the margin of the cover to close tightlyto the walls ofthe churn-body. A couple ofcrosspieces, U U, are heldloosely to the cover T by nutted bolts V, and the cross-pieces are longenough to overlap the top of the churnbody at each side.

To apply the cover to the churn-body the cross-pieees U U will be turnedto lie at their ends within the margin of the cover T, and the coverwill be slipped edgewisc into the churn-body,long edge first-,and whenthe cover is drawn up flatwise, so that its packing i binds against thewalls of the churn-body, the cross-pieces U U will be turned to overlapthe chine of the body, and when the nuts of the bolts V are tightenedthe cover will be drawn tightly to the churn-body, to prevent leakage ofits liquid contents as the churn is operated.

If desired, the cover T may be made entirely of glass, and the other endor head, T, of the churn-body may also be made of glass, to facilitateinspection of the contents of the body as the churning progresses.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. The combination, in a churn, of a body, a gas-exit pipe entering thebody and opening to its interior and to the outer air, an air-sup plypipe passed through the gas-exit pipe,

and a pump connected to the air-supply pipe to force air to the interiorof the churn-body, substantially as described, for the purposes setforth.

2. The combinatioinin a churn, of a rotat able body, A, a pipe, F,forming one of its journals, and having communication with the interiorof the body and the outer air, an airsupply pipe, L, passed through thepipe F and opening to the churn-body and to the outer air, and a pumpsupplying air to the churn-body through the pipe L, substantially asshown and described.

3. The combination, in a churn of a body, A, a gas-exit pipe, F,couplings H J, pipes I, K, an airsupply pipe, L, passed through theparts F H J, and a pump supplying air to the churn-body through the pipeL, substantially as shown and described.

4. The combination, in a churn, of a body, a pipe, F, communicating withthe interior of the body and the outer air, an air-supply pipe, L,passed through the pipe F and opening to theinterior of the body and tothe outer air, an air-pump, anda detachable pipe, Z, connecting thepump-outlet and the pipe L, substantially as shown and described,whereby when the pipe Z is disconnected from the pipe L water may bepoured through pipe L to the churnbody, as set forth.

5. The combination,in achurn,ofa rotatable body, A, a pipe, F, formingone of the body journals, apipe,L,passing through the pipe F, anair-pump,connections therefrom to thepipe L, a cranked shaft, N,connected to the pumppiston, a pulley, a, on said shaft, a pulley, a, onthe churn-bodyjournal, andabelt, a eonmeeting the pulleysa'a",substantiallyasshown and described, whereby as the churn-body isrotated the gas may escape freely from it and fresh air will be pumpedinto it, as and for the purposes set forth.

6. The combination,with a churn compris ing a body, A, pipes F L, anair-pump, and connections therefrom to the pipe L, substantially asspecified, of a pipe, 0, connected to the air-inlet of the pump, a tubor vessel, R, and apipe-coil, P, therein and con-. nected to the pipe 0,substantially as described, for the purposes set forth.

7. Ina churning apparatus,-an air-temperature regulator comprising atub, R, avessel, S, supported therein, a pipe-coil, I, in said vesseland adapted for connection. to a pipe conveying air to the churn-body,and said pipe 1? extending into the space between the tub R and vesselS, substantially as shown and described ROBERT CONRAD Witnesses:

P. A. FosTER, S. B. MARTIN.

BOEKLER.

